01027nam--2200349---450-9900003501302033160035013USA010035013(ALEPH)000035013USA01003501320010306d1980----km-y0itay0103----baengDE||||||||001yyContext-free grammarsconvers, normal forms and parsingBerlinSpringer Verlag1980VII, 253 p.ill.24 cmLecture notes in computer science932001Lecture notes in computer science93001-------2001511.3NIJHOLT,Anton56046ITsalbcISBD990000350130203316001 LNCS 9310635001 LNCS00101435BKSCIPATTY9020010306USA01171320020403USA011643PATRY9020040406USA011624Context-free grammars342594UNISA